<?php

class BillController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='//layouts/column2';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
					'actions'=>array('index','view'),
					'roles'=>array('guest'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
					'actions'=>array('create', 'price'),
					'roles'=>array('client'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
					'actions'=>array('admin','delete', 'update'),
					'roles'=>array('admin'),
			),
			array('deny',  // deny all users
					'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	public function actionPrice($id)
	{
		print_r(Product::model()->find(array('condition'=>'id=:ID',
					'params'=>array(':ID'=>$id),))->p_price);
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new Bill;
		$cusinfo=new Customer('create');
		$product=new Product;

		// Uncomment the following line if AJAX validation is needed
		$this->performAjaxValidation(array($model,$cusinfo));

		if(isset($_POST['Bill'],$_POST['Customer']))
		{
			$model->attributes=$_POST['Bill'];
			$cusinfo->attributes=$_POST['Customer'];
			$model->customer_id= 1;
			
			if (count($model->product_id,10)==1) {
				$this->redirect(array('create'));
			}
			/*$valid=$cusinfo->validate();
			 $valid=$model->validate() && $valid;*/
			$totalMoney=0;
			for ($index = 0; $index < count($model->product_id,10); $index++) {
				$_productid=$model->product_id[$index];
				$_amount=$model->amount[$index];
				$_unitprice=Product::model()->getPriceOfProduct($model->product_id[$index]);
				$_money=$_amount*$_unitprice;
				$totalMoney += $_money;
			}
			$cusinfo->c_totalmoney=$totalMoney;
			//transaction
			$transaction=Customer::model()->dbConnection->beginTransaction();

			try {
				$cusinfo->save();
				
				for ($index = 0; $index < count($model->product_id,10); $index++) {
					$bill=new Bill;
					$_product_id=$model->product_id[$index];
					$bill->product_id = $_product_id;
					$bill->amount=$model->amount[$index];
					$unitprice= Product::model()->getPriceOfProduct($_product_id);
					$bill->money=$unitprice * $model->amount[$index];
					$bill->customer_id= $cusinfo->id;
					$bill->save();
				}
				$transaction->commit();
				$this->redirect(array('view','id'=>$bill->id));
			} catch (Exception $e) {
				$transaction->rollBack();
			}

		}

		$this->render('create',array(
			'model'=>$model,
			'cusinfo'=>$cusinfo,
			'product'=>$product,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['Bill']))
		{
			$model->attributes=$_POST['Bill'];
			if($model->save())
			$this->redirect(array('view','id'=>$model->id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'index' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
			$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
		throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Bill');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new Bill('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['Bill']))
		$model->attributes=$_GET['Bill'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=Bill::model()->findByPk((int)$id);
		if($model===null)
		throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='bill-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
